dna/chem2/chem2.cc

0001 //
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0025 //
0026 /// \file chem2.cc
0027 /// \brief Main program of the dna/chem2 example
0028
0029 // This example is provided by the Geant4-DNA collaboration
0030 // Any report or published results obtained using the Geant4-DNA software
0031 // shall cite the following Geant4-DNA collaboration publication:
0032 // Med. Phys. 37 (2010) 4692-4708
0033 // J. Comput. Phys. 274 (2014) 841-882
0034 // The Geant4-DNA web site is available at http://geant4-dna.org
0035 //
0036 //
0037
0038 #include "ActionInitialization.hh"
0039 #include "CommandLineParser.hh"
0040 #include "DetectorConstruction.hh"
0041 #include "PhysicsList.hh"
0042
0043 #include "G4DNAChemistryManager.hh"
0044 #include "G4RunManagerFactory.hh"
0045 #include "G4UIExecutive.hh"
0046 #include "G4UImanager.hh"
0047 #include "G4VisExecutive.hh"
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 /*
0052  * WARNING : Geant4 was initially not intended for this kind of application
0053  * This code is delivered as a prototype
0054  * We will be happy to hear from you, do not hesitate to send your feedback and
0055  * communicate on the difficulties you may encounter
0056  * The user interface may change in the next releases since a reiteration of the
0057  * code has started
0058  */
0059
0060 using namespace G4DNAPARSER;
0061 CommandLineParser* parser(0);
0062
0063 void Parse(int& argc, char** argv);
0064
0065 int main(int argc, char** argv)
0066 {
0067   //////////
0068   // Parse options given in commandLine
0069   //
0070   Parse(argc, argv);
0071
0072   //////////
0073   // Construct the run manager according to whether MT is activated or not
0074   //
0075   Command* commandLine(nullptr);
0076
0077   auto* runManager = G4RunManagerFactory::CreateRunManager();
0078
0079   if ((commandLine = parser->GetCommandIfActive("-mt"))) {
0080     int nThreads = 2;
0081     const G4String& option = commandLine->GetOption();
0082     if (option == "") {
0083       nThreads = G4UIcommand::ConvertToInt(commandLine->GetDefaultOption());
0084     }
0085     else if (option == "NMAX") {
0086       nThreads = G4Threading::G4GetNumberOfCores();
0087     }
0088     else {
0089       nThreads = G4UIcommand::ConvertToInt(option);
0090     }
0091
0092     runManager->SetNumberOfThreads(nThreads);
0093
0094     G4cout << "===== Chem2 is started with " << runManager->GetNumberOfThreads()
0095            << " threads =====" << G4endl;
0096   }
0097
0098   //////////
0099   // Set mandatory user initialization classes
0100   //
0101   DetectorConstruction* detector = new DetectorConstruction();
0102   runManager->SetUserInitialization(new PhysicsList);
0103   runManager->SetUserInitialization(detector);
0104   runManager->SetUserInitialization(new ActionInitialization());
0105
0106   // Initialize visualization
0107   G4VisManager* visManager = nullptr;
0108
0109   // Get the pointer to the User Interface manager
0110   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0111   G4UIExecutive* ui(nullptr);
0112
0113   // interactive mode : define UI session
0114   if ((commandLine = parser->GetCommandIfActive("-gui"))) {
0115     visManager = new G4VisExecutive;
0116     visManager->Initialize();
0117
0118     ui = new G4UIExecutive(argc, argv, commandLine->GetOption());
0119
0120     if (parser->GetCommandIfActive("-novis") == 0) {
0121       // visualization is used by default
0122       if ((commandLine = parser->GetCommandIfActive("-vis"))) {
0123         // select a visualization driver if needed (e.g. HepFile)
0124         UImanager->ApplyCommand(G4String("/vis/open ") + commandLine->GetOption());
0125       }
0126       else {
0127         // by default OGL is used
0128         UImanager->ApplyCommand("/vis/open OGL 800x600-0+0");
0129       }
0130       UImanager->ApplyCommand("/control/execute vis.mac");
0131     }
0132
0133     if (ui->IsGUI()) {
0134       UImanager->ApplyCommand("/control/execute gui.mac");
0135     }
0136   }
0137   else if ((commandLine = parser->GetCommandIfActive("-vis"))) {
0138     // to be use visualization file (= store the visualization into
0139     // an external file:
0140     // ASCIITree ;  DAWNFILE ; HepRepFile ; VRML(1,2)FILE ; gMocrenFile ...
0141     visManager = new G4VisExecutive;
0142     visManager->Initialize();
0143
0144     ui = new G4UIExecutive(argc, argv, commandLine->GetOption());
0145     UImanager->ApplyCommand(G4String("/vis/open ") + commandLine->GetOption());
0146     UImanager->ApplyCommand("/control/execute vis.mac");
0147   }
0148
0149   if ((commandLine = parser->GetCommandIfActive("-mac"))) {
0150     G4String command = "/control/execute ";
0151     UImanager->ApplyCommand(command + commandLine->GetOption());
0152   }
0153   else {
0154     UImanager->ApplyCommand("/control/execute beam.in");
0155   }
0156
0157   if (ui) {
0158     ui->SessionStart();
0159     delete ui;
0160   }
0161   // Job termination
0162   // Free the store: user actions, physics_list and detector_description are
0163   // owned and deleted by the run manager, so they should not be deleted
0164   // in the main() program !
0165
0166   delete visManager;
0167   delete runManager;
0168
0169   CommandLineParser::DeleteInstance();
0170
0171   return 0;
0172 }
0173
0174 void Parse(int& argc, char** argv)
0175 {
0176   //////////
0177   // Parse options given in commandLine
0178   //
0179   parser = CommandLineParser::GetParser();
0180
0181   parser->AddCommand("-gui", Command::OptionNotCompulsory,
0182                      "Select geant4 UI or just launch a geant4 terminal session", "qt");
0183
0184   parser->AddCommand("-mac", Command::WithOption, "Give a mac file to execute", "macFile.mac");
0185
0186   // You cann your own command, as for instance:
0187   //  parser->AddCommand("-seed",
0188   //                     Command::WithOption,
0189   //                     "Give a seed value in argument to be tested", "seed");
0190   // it is then up to you to manage this option
0191
0192   parser->AddCommand("-mt", Command::OptionNotCompulsory,
0193                      "Launch in MT mode (events computed in parallel,"
0194                      " NOT RECOMMANDED WITH CHEMISTRY)",
0195                      "2");
0196
0197   parser->AddCommand("-chemOFF", Command::WithoutOption, "Deactivate chemistry");
0198
0199   parser->AddCommand("-vis", Command::WithOption, "Select a visualization driver",
0200                      "OGL 600x600-0+0");
0201
0202   parser->AddCommand("-novis", Command::WithoutOption, "Deactivate visualization when using GUI");
0203
0204   //////////
0205   // If -h or --help is given in option : print help and exit
0206   //
0207   if (parser->Parse(argc, argv) != 0)  // help is being printed
0208   {
0209     // if you are using ROOT, create a TApplication in this condition in order
0210     // to print the help from ROOT as well
0211     CommandLineParser::DeleteInstance();
0212     std::exit(0);
0213   }
0214
0215   ///////////
0216   // Kill application if wrong argument in command line
0217   //
0218   if (parser->CheckIfNotHandledOptionsExists(argc, argv)) {
0219     // if you are using ROOT, you should initialise your TApplication
0220     // before this condition
0221     abort();
0222   }
0223 }